Audio amplifier using C3198

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Components list

1 C3198 transister
2 1k Resister
3 330 uf to 1000 uf capaciter any voltage
4 8 ohm Speaker
5 3.5 mm audio jack
6 2pc AA 1.5 volt battery

ANY QUESTION ask in Comments

[colinelmerick]

What purpose do the batteries serve? why doesnt it just draw from the phone itself? Just wondering. Also what happens if you use no or a zero (0) resistor what would happen i wonder 🤔?!?

[sharathj]

Where do we will get 1k resisterin which we will findit